Abstract
LinkedPipes DCAT-AP 2.0.0. Viewer is a browser of open data and data services catalog records.
Compared to other open data catalogs, it is able to view the metadata records stored using the RDF data model and according to the European standard for dataset metadata exchange DCAT-AP v2.0.0. It uses Apache CouchDB for optimization of retrieval of metadata records, Apache Solr for search optimization and it supports controlled vocabularies stored in the official EU Vocabularies portal, which allows the users to view the metadata records in mulitple languages, where the official codelists exist.
It is also referenced in the DCAT v2 Implementation Report (https://w3c.github.io/dxwg/dcat-implementation-report/#data-catalogs) and serves for the National Open Data Catalog of the Czech Republic.